Toxic Metals and Metalloids in Food: Current Status, Health Risks, and Mitigation Strategies

被引:0
作者
Zhao, Di [1 ]
Wang, Peng [1 ]
Zhao, Fang-Jie [1 ]
机构
[1] Nanjing Agr Univ, Coll Resources & Environm Sci, Nanjing 210095, Peoples R China
基金
中国国家自然科学基金;
关键词
Metals/metalloids; Dietary intake; Contamination status; Risk assessment; Intervention strategies; CADMIUM RELATIVE BIOAVAILABILITY; WASTE RECYCLING AREA; ARSENIC EXPOSURE; HEAVY-METALS; DIETARY-CADMIUM; TRACE-ELEMENTS; GEOGRAPHICAL VARIATION; AGRICULTURAL SOILS; POTENTIAL RISK; LEAD-EXPOSURE;
D O I
10.1007/s40572-024-00462-7
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Purpose of ReviewExposure to toxic metals/metalloids, such as arsenic (As), cadmium (Cd), and lead (Pb), through food consumption is a global public health concern. This review examines the contamination status of these metals/metalloids in food, assesses dietary intake across different populations, and proposes strategies to reduce metal/metalloid exposures throughout the food chain.Recent FindingsFor the general population, dietary intake of metals/metalloids is generally lower than health-based guidance values. However, for vulnerable populations, such as infants, children, and pregnant women, their dietary intake levels are close to or even higher than the guidance values. Among different food categories, seafood shows higher total As, but largely present as organic species. Rice accumulates higher As concentration than other cereals, with inorganic As (iAs) and dimethylarsinic acid (DMA) being the main As species. Methylated thioarsenate species, such as dimethylmonothioarsenate, have also been detected in rice. The distribution of iAs and DMA in rice shows geographical variation. Additionally, seafood and cocoa products generally contain more Cd than other food, but seafood consumption does not significantly increase in adverse health effects due to its high zinc and iron content. Compared to As and Cd, Pb concentrations in food are generally lower. To minimize the health risks of metal/metalloid exposure, several strategies are proposed.SummaryFood contamination with toxic metals/metalloids poses significant concerns for human health, particularly for vulnerable populations. This review provides scientific evidence and suggestions for policy makers to reduce human exposure of metals/metalloids via dietary intake.
引用
收藏
页码:468 / 483
页数:16
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